object FunDetails03 {
def main(args: Array[String]): Unit={
  //底层private final
  def main(): Unit = {
    println("main~")
  }
  println("~~~~~~~~~~")
  //底层 private final sayHello$1()
  def sayHello(): Unit ={
    println("main say hello")
    //底层 private final sayHello$2()
    def sayHello(): Unit ={
      println("say hello hello")
    }
  }
}
  def sayHello(): Unit = {
    println("say hello")
  }
}
